File: lookup-template-name-extern-CXX.cpp

package info (click to toggle)
llvm-toolchain-19 1%3A19.1.7-3
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 1,998,520 kB
  • sloc: cpp: 6,951,680; ansic: 1,486,157; asm: 913,598; python: 232,024; f90: 80,126; objc: 75,281; lisp: 37,276; pascal: 16,990; sh: 10,009; ml: 5,058; perl: 4,724; awk: 3,523; makefile: 3,167; javascript: 2,504; xml: 892; fortran: 664; cs: 573
file content (14 lines) | stat: -rw-r--r-- 774 bytes parent folder | download | duplicates (7)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
// Tests that the lookup in transparent declaration context
// (linkage specifiaction context) wouldn't cause compiler crash.
// RUN: %clang_cc1 -std=c++20 %s -fsyntax-only -verify
extern "C++" {
template <class T>
class X {}; // expected-note {{candidate template ignored: couldn't infer template argument 'T'}} \
            // expected-note {{implicit deduction guide declared as 'template <class T> X(X<T>) -> X<T>'}} \
            // expected-note {{candidate function template not viable: requires 1 argument, but 0 were provided}} \
            // expected-note {{implicit deduction guide declared as 'template <class T> X() -> X<T>'}}
}

void foo() {
  X x; // expected-error {{no viable constructor or deduction guide for deduction of template arguments of 'X'}}
}